/Engine/Source/Runtime/MeshDescription/Public/MeshDescriptionBase.h
Returns the vertices which define this triangle
void GetTriangleVertices ( [FTriangleID](API\Runtime\MeshDescription\FTriangleID) TriangleID, [TArray](API\Runtime\Core\Containers\TArray)< [FVertexID](API\Runtime\MeshDescription\FVertexID) > & OutVertexIDs ) const